279320972375 has 8 divisors (see below), whose sum is σ = 348592573680. Its totient is φ = 223456777800.

The previous prime is 279320972321. The next prime is 279320972387. The reversal of 279320972375 is 573279023972.

It is not a de Polignac number, because 279320972375 - 2¹⁰ = 279320971351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 279320972375.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117283765 + ... + 1117284014.

It is an arithmetic number, because the mean of its divisors is an integer number (43574071710).

Almost surely, 2^279320972375 is an apocalyptic number.

279320972375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

279320972375 is a deficient number, since it is larger than the sum of its proper divisors (69271601305).

279320972375 is an equidigital number, since it uses as much as digits as its factorization.

279320972375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234567794 (or 2234567784 counting only the distinct ones).

The product of its (nonzero) digits is 10001880, while the sum is 56.

The spelling of 279320972375 in words is "two hundred seventy-nine billion, three hundred twenty million, nine hundred seventy-two thousand, three hundred seventy-five".